Binary to hexadecimal conversion with java

import java.util.Scanner; public class BinaryToDecimalDemo { public static void main(String[] args) { int number, decimal = 0, a = 0; Scanner sc = new Scanner(System.in); System.out.println("Please enter binary number: "); String strBinary = sc.nextLine(); number = Integer.parseInt(strBinary); while(number != 0){ decimal += (number % 10) * Math.pow(2, a); number = number / 10; a++; } System.out.println("Decimal number: " + decimal); sc.close(); } }

binary to hexadecimal in java

import java.util.Scanner;
public class BinaryToHexadecimalJava
{
   public static void main(String[] args)
   {
      int[] hexaDecimal = new int[1000];
      int a = 1, b = 0, r, decimal = 0, binary;
      Scanner sc = new Scanner(System.in);
      System.out.print("Please enter binary number: ");
      binary = sc.nextInt();
      while(binary > 0)
      {
         r = binary % 2;
         decimal = decimal + r * a;
         a = a * 2;
         binary = binary / 10;
      }
      a = 0;
      while(decimal != 0)
      {
         hexaDecimal[a] = decimal % 16;
         decimal = decimal / 16;
         a++;
      }
      System.out.print("Equivalent hexadecimal value is: ");
      for(b = a - 1; b >= 0; b--)
      {
         if(hexaDecimal[b] > 9)
         {
            System.out.print((char)(hexaDecimal[b] + 55) + "\n");
         }
         else
         {
            System.out.print(hexaDecimal[b] + "\n");
         }
      }
      sc.close();
   }
}

Posted by: Guest on October-30-2020

Source

public class Details { public int BinaryToDecimal(int binaryNumber){ int decimal = 0; int p = 0; while(true){ if(binaryNumber == 0){ break; } else { int temp = binaryNumber%10; decimal += temp*Math.pow(2, p); binaryNumber = binaryNumber/10; p++; } } return decimal; } public static void main(String args[]){ Details obj = new Details(); System.out.println("110 --> "+obj.BinaryToDecimal(110)); System.out.println("1101 --> "+obj.BinaryToDecimal(1101)); System.out.println("100 --> "+obj.BinaryToDecimal(100)); System.out.println("110111 --> "+obj.BinaryToDecimal(110111)); } }

import java.util.Scanner; class BinaryToDecimal { public static void main(String args[]){ Scanner input = new Scanner( System.in ); System.out.print("Enter a binary number: "); String binaryString =input.nextLine(); System.out.println("Output: "+Integer.parseInt(binaryString,2)); } }

public static int binaryToHexadecimal(String binary) { // Declaring Hexadecimal variable String hex = ""; /** * Converting the Binary value to Hexadecimal Equivalent * First convert the Binary to Decimal Equivalent * Then to Hexadecimal Equivalent */ // Converting Binary to decimal int number = Integer.parseInt( binary, 2 ); // Converting Decimal Equivalent to Hexadecimal hex = Integer.toHexString( number ); // Returning the Hexadecimal value return hex; }

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